19947156777

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{853}}^1\times {\mathrm{937}}^1$

素因数の和:1902

約数の個数: 48

約数和(自身を含む): 29991386880

約数和(自身を除く): 10044230103

約数列:

[1, 3, 9, 47, 59, 141, 177, 423, 531, 853, 937, 2559, 2773, 2811, 7677, 8319, 8433, 24957, 40091, 44039, 50327, 55283, 120273, 132117, 150981, 165849, 360819, 396351, 452943, 497547, 799261, 2365369, 2397783, 2598301, 7096107, 7193349, 7794903, 21288321, 23384709, 37565267, 47156399, 112695801, 141469197, 338087403, 424407591, 2216350753, 6649052259, 19947156777]

約数ペア:

[(1, 19947156777), (3, 6649052259), (9, 2216350753), (47, 424407591), (59, 338087403), (141, 141469197), (177, 112695801), (423, 47156399), (531, 37565267), (853, 23384709), (937, 21288321), (2559, 7794903), (2773, 7193349), (2811, 7096107), (7677, 2598301), (8319, 2397783), (8433, 2365369), (24957, 799261), (40091, 497547), (44039, 452943), (50327, 396351), (55283, 360819), (120273, 165849), (132117, 150981)]